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Missing return statement in a non-void method compiles
... marked as returning int, but in fact does not return, then you should be happy that the compiler flags this, so you can mark the method as void or fix it if you did not intend for that behaviour.
– MikeFHay
May 28 '13 at 14:37
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SQLite - UPSERT *not* INSERT or REPLACE
...a (assuming the id is the primary key). So, why is it bad if exactly that happens?
– O. R. Mapper
Jan 4 '14 at 22:03
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Redirect to named url pattern directly from urls.py in django?
...clude
urlpatterns = [
# this example uses named URL 'hola-home' from app named hola
# for more redirect's usage options: https://docs.djangoproject.com/en/2.1/topics/http/shortcuts/
path('', lambda request: redirect('hola/', permanent=False)),
path('hola/', include("hola.urls")),
...
Removing duplicates from a list of lists
...omment, normal optimization efforts are focused on large inputs (the big-O approach) because it's so much easier that it offers good returns on efforts. But sometimes (essentially for "tragically crucial bottlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) on...
Mechanisms for tracking DB schema changes [closed]
...ations typically have two methods: an "up" method in which the changes are applied and a "down" method in which the changes are undone. A single command brings the database up to date, and can also be used to bring the database to a specific version of the schema. In Rails, migrations are kept in th...
How to keep/exclude a particular package path when using proguard?
I want to exclude some file paths from ProGuard. Example com.myapp.customcomponents
4 Answers
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Why do we need entity objects? [closed]
...est, thoughtful debate on the merits of the currently accepted enterprise application design paradigm.
41 Answers
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How to make Entity Framework Data Context Readonly
...s MyReadOnlyContext : DbContext
{
// Use ReadOnlyConnectionString from App/Web.config
public MyContext()
: base("Name=ReadOnlyConnectionString")
{
}
// Don't expose Add(), Remove(), etc.
public DbQuery<Customer> Customers
{
get
{
...
NSString property: copy or retain?
...not, then it just gets retained. Exactly the semantics that you want in an app (let the type do what's best).
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How do you get current active/default Environment profile programmatically in Spring?
...n't need to implement EnvironmentAware. But I don't know drawbacks of this approach.
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